A new unpolluted deoxidation method was given in this paper.
本文提供了一种新的钢液无污染脱氧的方法。
I envy your peace of mind, your clean conscience, your unpolluted memory.
我羡慕你平静的心境，纯洁的良心和没有玷污过的记忆。
I envy your peace of mind, your clean conscience, your unpolluted memory.
我羡慕你平和的心境，你的良心，你那未受污染的记忆。
By squeeze method, the oil is free from any solvents, unpolluted, safe and healthy.
压榨法取得的油中不含有任何残留溶剂，产品安全、卫生、无污染。
By squeeze method, the oil is free from any solvents, unpolluted, safe and healthy.
压榨法取得的油中不含有任何残留溶剂，产品安全、卫生、无污染。
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